/Engine/Plugins/FX/Niagara/Source/NiagaraVertexFactories/Public/NiagaraRibbonVertexFactory.h
Should we cache the material's shadertype on this platform with this vertex factory?
static bool ShouldCompilePermutation ( const [FVertexFactoryShaderPermutationParameters](API\Runtime\Renderer\FVertexFactoryShaderPermutationP-) & Parameters )